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An element has 5 valence electrons and t...

An element has 5 valence electrons and three shells what is the group number

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Knowledge Check

  • An element has 13 electrons in its M shell and 1 electron in N shell in ground state. Identify the element.

    A
    Chromium
    B
    Iron
    C
    Manganese
    D
    Copper

  • When an electron is added in the valence shell

    A
    energy is released
    B
    energy is absorbed
    C
    energy remains same
    D
    none of the above

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